The transistor in the picture has a Vbe voltage of only about 0.4V when driving the buzzer. Why is that? SS8050 should be turned on at 0.7V. Also, this transistor does not seem to work in the saturati...
Background: I used to be able to use ccs5.5, but then I downloaded ccs7.4. When I opened the workspace of ccs5.5, it prompted that I had opened a lower version of the workspace. I went in directly and...
[i=s]This post was last edited by a media student on 2019-1-3 21:18[/i] [align=center][b][color=#9932cc]Use STM32CubeMX software to speed up the development process[/color][/b][/align][align=center][b...
[i=s]This post was last edited by damiaa on 2022-10-30 22:04[/i]【HomeBao】Supplementary experiment for project submission: Connecting HomeBao to HomeAssistant
1. [Telink's new generation of low-power, ...
1. OverviewFirst of all, we would like to thank EEWORLD and Pingtou Ge for providing such a good trial opportunity, which not only satisfies our curiosity but also allows everyone to give a thumbs up ...
Tracking voltage regulator circuit composed of multiple LM396s connected in series
The figure shows a tracking regulator circuit composed of multiple LM396s in series. The voltage regulation rat...[Details]
Generally speaking, if the heat energy generated by LEDs cannot be dissipated, the LED junction temperature will be too high, which will affect the product life cycle, luminous efficiency, and st...[Details]
According to a survey by TrendForce Semiconductor Research Center (DRAMeXchange), due to the growth of data center demand in the fourth quarter of 2019, NAND Flash supply inventory decreased; in the ...[Details]
When we use kei c51 to create a 51 microcontroller project, there will be a prompt as shown below: When keil creates a new project, it prompts whether to add a startup file Normally, you need to se...[Details]
With the continuous development of intelligent and autonomous driving technology, the automotive industry's demand for chips is increasing day by day. Intel announced a series of new initiatives on T...[Details]
On May 8, when Google released Android Q, Apple also pushed the iOS 12.3 Beta 5 version. Both developers and public beta users can download and upgrade. Apple said that in iOS 12.3 Beta 5, ...[Details]
Shenzhen BYD Daimler New Technology Co., Ltd. (BDNT), China's first joint venture focused on new energy vehicles, and ABB, a world-leading power and automation technology group, announced a strateg...[Details]
Single output self-locking control circuit
The start signal I0.0 and the stop signal I0.1 are usually kept ON for a short time. The most important feature of this circuit is that it has a "mem...[Details]
On the afternoon of April 20, it was reported that the Honor V40 was launched in January this year. According to past rules, the follow-up should be the flagship of "Honor 40" (without V). Howe...[Details]
Tip 1 - Ensure accurate, reproducible results Measure with confidence with a complete solution Assembling a mmWave network analyzer “on your own” can be cumbersome and time-consuming. Worse, there is...[Details]
As wireless communication technology continues to develop, the requirements for power amplifiers are becoming increasingly higher, and traditional amplifiers can no longer meet the needs of practic...[Details]
Bridges are of great concern because of their high cost, long service life and the importance of maintaining people's lives. In order to avoid catastrophic accidents caused by difficult-to-detect str...[Details]
Sant Cugat del Valles, Barcelona, March 2022 – Ignion, a leading IoT antenna innovator based in Barcelona, today announced the launch of Antenna Intelligence Cloud, a cloud service that brings cl...[Details]
Apple has previously announced that it will hold a new product launch conference at 1 a.m. Beijing time on October 14, and is expected to bring new iPhone 12 series products, including iPhone 1...[Details]
According to foreign media reports, car manufacturer Jaguar Land Rover (JLR) has applied for a patent to the World Intellectual Property Office, which mainly discusses conveying various information...[Details]
Analog electronics
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